:root{
  --brand:#3b5bfd; --brand-600:#2f49d6; --accent:#7c4dff; --cyan:#06b6d4;
  --grad:linear-gradient(120deg,#3b5bfd 0%,#7c4dff 52%,#06b6d4 100%);
  --grad-soft:linear-gradient(120deg,rgba(59,91,253,.14),rgba(124,77,255,.12),rgba(6,182,212,.12));
  --ink:#0e1222; --ink-2:#1a2138; --muted:#5b647a; --subtle:#8b93a7;
  --line:#e7eaf3; --line-2:#eef1f8; --bg:#ffffff; --bg-soft:#f6f8fd;
  --dark:#080b16; --dark-2:#0e1424;
  --dark-card:#121a30; --dark-line:#22304f;
  --radius:20px; --radius-sm:14px;
  --maxw:1180px;
  --font-en:"Sora","PingFang SC","Microsoft YaHei",sans-serif;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
.en{font-family:var(--font-en)}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 32px}

/* ---------- nav ---------- */
nav{position:sticky;top:0;z-index:100;background:rgba(255,255,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line-2)}
.nav-in{max-width:var(--maxw);margin:0 auto;padding:15px 32px;display:flex;align-items:center;gap:14px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.5px}
.logo .mk{width:32px;height:32px;border-radius:9px;display:block;background:url(data:image/png;base64,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) center/cover no-repeat;box-shadow:0 6px 16px rgba(59,91,253,.35)}
.nav-links{margin-left:auto;display:flex;gap:30px;font-size:14px;color:var(--muted);font-weight:500}
.nav-links a{transition:color .2s}.nav-links a:hover{color:var(--brand)}
.nav-links a.active{color:var(--brand)}
.nav-cta{font-size:13.5px;font-weight:600;color:#fff;background:var(--ink);padding:9px 18px;border-radius:999px;transition:transform .2s,box-shadow .2s}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(14,18,34,.25)}
.nav-toggle{display:none;margin-left:auto;width:40px;height:40px;border:1px solid var(--line);border-radius:10px;background:#fff;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px;stroke:var(--ink);fill:none;stroke-width:2}

/* ---------- hero ---------- */
.hero{position:relative;background:var(--dark);color:#fff;overflow:hidden;padding:112px 0 120px}
.orb{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none}
.orb.a{width:560px;height:560px;background:radial-gradient(circle,#3b5bfd,transparent 65%);top:-180px;right:-120px;animation:float1 14s ease-in-out infinite}
.orb.b{width:480px;height:480px;background:radial-gradient(circle,#7c4dff,transparent 65%);bottom:-200px;left:-140px;animation:float2 17s ease-in-out infinite}
.orb.c{width:360px;height:360px;background:radial-gradient(circle,#06b6d4,transparent 65%);top:40%;left:46%;opacity:.35;animation:float1 20s ease-in-out infinite}
@keyframes float1{0%,100%{transform:translate(0,0)}50%{transform:translate(-30px,40px)}}
@keyframes float2{0%,100%{transform:translate(0,0)}50%{transform:translate(40px,-30px)}}
.hero::after{content:"";position:absolute;inset:0;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.035'/%3E%3C/svg%3E");pointer-events:none}
.hero-in{position:relative;z-index:2}
.badge{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#c9d3f5;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.04);padding:7px 15px;border-radius:999px;margin-bottom:30px}
.badge .d{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan)}
.hero h1{font-size:56px;line-height:1.2;font-weight:800;letter-spacing:-.5px;max-width:none}
.hero h1 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lede{margin-top:26px;font-size:18px;line-height:1.75;color:#aab4cf;max-width:60ch}
.hero-cta{margin-top:38px;display:flex;gap:14px;flex-wrap:wrap}
.btn{font-size:15px;font-weight:600;padding:14px 28px;border-radius:12px;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;display:inline-block}
.btn.p{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(59,91,253,.4)}
.btn.p:hover{transform:translateY(-2px);box-shadow:0 16px 38px rgba(59,91,253,.55)}
.btn.s{background:rgba(255,255,255,.07);color:#fff;border:1px solid rgba(255,255,255,.16)}
.btn.s:hover{background:rgba(255,255,255,.12)}
.btn.dark{background:var(--ink);color:#fff}
.btn.dark:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(14,18,34,.28)}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn.ghost:hover{border-color:var(--brand);color:var(--brand)}
.stats{margin-top:58px;display:grid;grid-template-columns:repeat(4,1fr);gap:26px;max-width:840px}
.stat b{display:block;font-size:15px;font-weight:700;color:#eef1fb;letter-spacing:.3px}
.stat span{font-size:13px;color:#8b96b3}

/* ---------- section frame ---------- */
section{padding:100px 0}
.eyebrow{font-family:var(--font-en);font-size:13px;font-weight:700;letter-spacing:2.5px;text-transform:uppercase;color:var(--brand);margin-bottom:14px}
.sec-title{font-size:38px;font-weight:800;letter-spacing:-.5px;line-height:1.2}
.sec-sub{margin-top:16px;font-size:17px;color:var(--muted);max-width:64ch;line-height:1.7}
.sec-head{margin-bottom:52px}

/* ---------- band ---------- */
.band{background:var(--bg-soft);border-top:1px solid var(--line-2);border-bottom:1px solid var(--line-2)}
.quote{font-size:30px;font-weight:700;line-height:1.5;letter-spacing:-.3px;max-width:24ch}
.quote .hl{background:var(--grad-soft);border-bottom:2px solid var(--accent);padding:0 4px}
.band-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center}
.band-note{font-size:16px;color:var(--muted);line-height:1.85}
.band-note b{color:var(--ink)}

/* ---------- features bento ---------- */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;position:relative;overflow:hidden;transition:transform .28s,box-shadow .28s,border-color .28s}
.card:hover{transform:translateY(-4px);box-shadow:0 22px 50px rgba(20,30,60,.1);border-color:transparent}
.card .ic{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:20px;background:var(--grad-soft);border:1px solid rgba(59,91,253,.16)}
.card .ic svg{width:24px;height:24px;stroke:var(--brand);fill:none;stroke-width:1.8}
.card h3{font-size:20px;font-weight:700;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--muted);line-height:1.7}
.card .num{position:absolute;top:22px;right:26px;font-family:var(--font-en);font-size:13px;font-weight:700;color:var(--line)}
.c-wide{grid-column:span 3}.c-half{grid-column:span 3}.c-third{grid-column:span 2}
.card.feat{color:#fff;background:var(--dark);border:none}
.card.feat::before{content:"";position:absolute;width:260px;height:260px;border-radius:50%;background:radial-gradient(circle,rgba(124,77,255,.5),transparent 70%);filter:blur(50px);top:-90px;right:-60px}
.card.feat h3,.card.feat p{position:relative}
.card.feat p{color:#aab4cf}
.card.feat .ic{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.14)}
.card.feat .ic svg{stroke:#fff}
.card.feat .num{color:rgba(255,255,255,.16)}

/* ---------- use cases ---------- */
.uc{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.ucc{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;position:relative;overflow:hidden;transition:transform .28s,box-shadow .28s,border-color .28s}
.ucc:hover{transform:translateY(-4px);box-shadow:0 22px 50px rgba(20,30,60,.1);border-color:transparent}
.ucc .tag{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;color:var(--brand);background:var(--grad-soft);border:1px solid rgba(59,91,253,.16);padding:5px 12px;border-radius:999px;margin-bottom:18px}
.ucc h3{font-size:19px;font-weight:700;margin-bottom:14px}
.ucc .say{background:var(--bg-soft);border:1px solid var(--line-2);border-left:3px solid var(--accent);border-radius:10px;padding:13px 16px;font-size:14px;color:var(--ink-2);line-height:1.65;margin-bottom:16px}
.ucc .say em{font-style:normal;color:var(--subtle);font-size:12.5px;display:block;margin-bottom:4px;font-weight:600}
.ucc .out{font-size:13.5px;color:var(--muted);line-height:1.7}
.ucc .out b{color:var(--ink)}
.ucc .chips{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.ucc .chips span{font-size:12px;color:var(--muted);background:var(--bg-soft);border:1px solid var(--line-2);padding:4px 10px;border-radius:8px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;position:relative}
.step{padding:0 30px;position:relative}
.step:not(:last-child)::after{content:"";position:absolute;right:0;top:34px;width:1px;height:calc(100% - 34px);background:var(--line)}
.step .sn{width:64px;height:64px;border-radius:18px;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:var(--font-en);font-size:26px;font-weight:800;box-shadow:0 12px 28px rgba(59,91,253,.3);margin-bottom:22px}
.step:nth-child(2) .sn{background:linear-gradient(120deg,#7c4dff,#3b5bfd)}
.step:nth-child(3) .sn{background:linear-gradient(120deg,#06b6d4,#3b5bfd)}
.step h3{font-size:21px;font-weight:700;margin-bottom:8px}
.step .tag{font-family:var(--font-en);font-size:12px;font-weight:700;letter-spacing:1.5px;color:var(--accent);text-transform:uppercase;margin-bottom:14px;display:block}
.step p{font-size:15px;color:var(--muted);line-height:1.75}

/* ---------- architecture ---------- */
.arch{background:var(--dark);color:#fff;border-radius:28px;padding:56px;position:relative;overflow:hidden}
.arch::before{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(59,91,253,.4),transparent 70%);filter:blur(70px);top:-140px;left:40%}
.arch-in{position:relative;z-index:2}
.arch h3{font-size:28px;font-weight:800;margin-bottom:8px}
.arch .as{color:#9aa6c4;font-size:15.5px;margin-bottom:40px;max-width:60ch}
.layers{display:flex;flex-direction:column;gap:16px}
.layer{display:flex;align-items:center;gap:24px;background:var(--dark-card);border:1px solid var(--dark-line);border-radius:16px;padding:22px 28px;transition:transform .25s}
.layer:hover{transform:translateX(6px)}
.layer .lbar{width:6px;align-self:stretch;border-radius:6px;background:var(--grad)}
.layer .lt{min-width:220px}
.layer .lt b{font-size:18px;font-weight:700;display:block}
.layer .lt span{font-family:var(--font-en);font-size:11.5px;letter-spacing:1.5px;color:#7a86a6;text-transform:uppercase}
.layer p{font-size:14.5px;color:#9aa6c4;line-height:1.65}
.layer.top .lbar{background:linear-gradient(#7c4dff,#a78bfa)}
.layer.mid .lbar{background:linear-gradient(#3b5bfd,#60a5fa)}
.layer.base .lbar{background:linear-gradient(#06b6d4,#22d3ee)}

/* ---------- experts ---------- */
.exps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.exp{border:1px solid var(--line);border-radius:var(--radius);padding:32px;position:relative;overflow:hidden;background:#fff;transition:transform .28s,box-shadow .28s}
.exp:hover{transform:translateY(-6px);box-shadow:0 26px 56px rgba(20,30,60,.12)}
.exp .top{height:5px;position:absolute;left:0;right:0;top:0;background:var(--grad)}
.exp .eic{width:56px;height:56px;border-radius:16px;background:var(--grad);color:#fff;display:grid;place-items:center;font-family:var(--font-en);font-size:26px;font-weight:800;margin-bottom:22px;box-shadow:0 10px 24px rgba(124,77,255,.32)}
.exp h3{font-size:22px;font-weight:700;margin-bottom:4px}
.exp .dm{font-size:13px;font-weight:600;color:var(--accent);margin-bottom:16px}
.exp p{font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:20px}
.exp ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.exp li{font-size:13.5px;color:var(--ink-2);display:flex;align-items:center;gap:10px}
.exp li::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--grad);flex:none}

/* ---------- security ---------- */
.sec-dark{background:var(--dark);color:#fff;position:relative;overflow:hidden}
.sec-dark .orb.b{opacity:.4}
.sgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--dark-line);border:1px solid var(--dark-line);border-radius:18px;overflow:hidden}
.scell{background:var(--dark);padding:30px 22px;transition:background .25s}
.scell:hover{background:var(--dark-card)}
.scell .si{width:40px;height:40px;border-radius:11px;background:rgba(255,255,255,.06);display:grid;place-items:center;margin-bottom:16px}
.scell .si svg{width:20px;height:20px;stroke:var(--cyan);fill:none;stroke-width:1.8}
.scell b{font-size:16px;font-weight:700;display:block;margin-bottom:6px}
.scell span{font-size:13px;color:#9aa6c4;line-height:1.6}

/* ---------- compare ---------- */
.ctable{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:18px;overflow:hidden}
.ctable th,.ctable td{padding:20px 24px;text-align:left;font-size:15px;border-bottom:1px solid var(--line-2)}
.ctable thead th{background:var(--bg-soft);font-weight:700;font-size:14px}
.ctable thead th.vok{background:var(--grad);color:#fff}
.ctable tbody tr:last-child td{border-bottom:none}
.ctable td.dim{color:var(--subtle)}
.ctable td.vok{background:rgba(59,91,253,.05);color:var(--ink);font-weight:600}
.ctable td.rowh{font-weight:700;color:var(--ink-2)}
.chk{color:var(--brand);font-weight:800}

/* ---------- deploy ---------- */
.dep{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.depc{border:1px solid var(--line);border-radius:var(--radius);padding:30px;background:#fff;position:relative}
.depc .db{height:4px;width:44px;border-radius:4px;background:var(--grad);margin-bottom:20px}
.depc h3{font-size:19px;font-weight:700;margin-bottom:8px}
.depc p{font-size:14px;color:var(--muted);line-height:1.7}
.platbar{margin-top:24px;background:var(--bg-soft);border:1px solid var(--line-2);border-radius:16px;padding:24px 28px;font-size:14.5px;color:var(--muted);line-height:1.9}
.platbar b{color:var(--ink)}

/* ---------- cta ---------- */
.cta{background:var(--dark);color:#fff;text-align:center;position:relative;overflow:hidden;padding:110px 0}
.cta h2{font-size:46px;font-weight:800;letter-spacing:-.5px;line-height:1.15;position:relative;z-index:2}
.cta h2 .g{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cta p{position:relative;z-index:2;margin:22px auto 36px;font-size:17px;color:#aab4cf;max-width:52ch}
.cta .hero-cta{justify-content:center}

/* ---------- footer ---------- */
footer{background:#05070f;color:#8b96b3;padding:56px 0 30px;font-size:14px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.08)}
.foot-brand .logo{color:#fff;margin-bottom:14px}
.foot-brand p{color:#6b7590;font-size:13.5px;line-height:1.7;max-width:34ch}
.foot-col h4{color:#eef1fb;font-size:13px;font-weight:700;letter-spacing:.5px;margin-bottom:16px}
.foot-col a{display:block;color:#8b96b3;font-size:13.5px;margin-bottom:11px;transition:color .2s}
.foot-col a:hover{color:#fff}
.foot-bottom{padding-top:24px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;font-size:13px;color:#6b7590}

/* ---------- download page ---------- */
.dl-hero{padding:96px 0 0}
.dl-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:8px}
.dlc{position:relative;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.03);border-radius:var(--radius);padding:32px 28px;transition:transform .28s,border-color .28s,background .28s}
.dlc:hover{transform:translateY(-4px);border-color:rgba(124,77,255,.5);background:rgba(255,255,255,.05)}
.dlc.reco::after{content:"推荐";position:absolute;top:20px;right:22px;font-size:11.5px;font-weight:700;color:#fff;background:var(--grad);padding:4px 10px;border-radius:999px}
.dlc .pic{width:52px;height:52px;border-radius:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);display:grid;place-items:center;margin-bottom:20px}
.dlc .pic svg{width:28px;height:28px;stroke:#fff;fill:none;stroke-width:1.7}
.dlc h3{font-size:20px;font-weight:700;color:#fff;margin-bottom:4px}
.dlc .plat{font-size:13px;color:#8b96b3;margin-bottom:20px}
.dlc .btn{width:100%;text-align:center;padding:12px 0;font-size:14px}
.dlc .alt{margin-top:12px;font-size:12.5px;color:#7a86a6;text-align:center}
.dlc .alt a{color:#9aa6c4;border-bottom:1px dashed rgba(154,166,196,.4)}

.guide{display:grid;grid-template-columns:repeat(2,1fr);gap:40px}
.gsteps{list-style:none;counter-reset:g}
.gsteps li{counter-increment:g;position:relative;padding:0 0 26px 56px}
.gsteps li:not(:last-child)::before{content:"";position:absolute;left:19px;top:40px;bottom:-4px;width:2px;background:var(--line)}
.gsteps li .gn{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:12px;background:var(--grad-soft);border:1px solid rgba(59,91,253,.2);color:var(--brand);font-weight:800;font-family:var(--font-en);display:grid;place-items:center}
.gsteps li b{display:block;font-size:16px;margin-bottom:5px}
.gsteps li p{font-size:14px;color:var(--muted);line-height:1.7}
.reqbox{background:var(--bg-soft);border:1px solid var(--line-2);border-radius:var(--radius);padding:30px}
.reqrow{display:flex;gap:16px;padding:15px 0;border-bottom:1px solid var(--line-2);font-size:14.5px}
.reqrow:last-child{border-bottom:none}
.reqrow .rk{min-width:96px;font-weight:700;color:var(--ink-2)}
.reqrow .rv{color:var(--muted);line-height:1.6}

.faq{max-width:820px;margin:0 auto}
.faq details{border:1px solid var(--line);border-radius:var(--radius-sm);padding:0 24px;margin-bottom:14px;background:#fff;transition:border-color .2s}
.faq details[open]{border-color:var(--brand)}
.faq summary{list-style:none;cursor:pointer;padding:20px 0;font-size:16px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--brand);transition:transform .2s}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 0 20px;font-size:14.5px;color:var(--muted);line-height:1.75}

/* reveal */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

@media(max-width:920px){
  .hero h1{font-size:38px}.sec-title{font-size:28px}.cta h2{font-size:32px}
  section{padding:72px 0}
  .bento,.steps,.exps,.dep,.sgrid,.band-grid,.stats,.uc,.guide,.dl-grid,.foot-grid{grid-template-columns:1fr}
  .c-wide,.c-half,.c-third{grid-column:auto}
  .step{padding:0 0 30px}
  .step:not(:last-child)::after{display:none}
  .arch{padding:32px}.layer{flex-direction:column;align-items:flex-start;gap:10px}
  .ctable{display:block;overflow-x:auto;white-space:nowrap}
  .foot-grid{gap:28px}
  .nav-links{position:fixed;top:63px;left:0;right:0;flex-direction:column;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 0;transform:translateY(-140%);transition:transform .3s;box-shadow:0 20px 40px rgba(20,30,60,.1)}
  .nav-links.open{transform:none}
  .nav-links a{padding:14px 32px;border-bottom:1px solid var(--line-2)}
  .nav-toggle{display:flex}
  .nav-cta{display:none}
}

/* ---------- download interactions ---------- */
nav.scrolled{box-shadow:0 6px 24px rgba(20,30,60,.06)}
.detected-os{margin-top:20px;font-size:14px;color:#9aa6c4}
.dlc.highlight{border-color:rgba(124,77,255,.7);box-shadow:0 0 0 1px rgba(124,77,255,.4),0 18px 40px rgba(59,91,253,.22)}
.dlc.na{opacity:.72}
.dlc .btn.disabled{background:rgba(255,255,255,.06);color:#7a86a6;border:1px solid rgba(255,255,255,.12);cursor:not-allowed;box-shadow:none;pointer-events:none}
.dlc .btn.disabled:hover{transform:none}
.toast{position:fixed;left:50%;bottom:32px;transform:translateX(-50%) translateY(20px);background:var(--ink);color:#fff;font-size:14px;font-weight:600;padding:13px 22px;border-radius:12px;box-shadow:0 16px 40px rgba(14,18,34,.35);opacity:0;pointer-events:none;transition:opacity .3s,transform .3s;z-index:200}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---- 首页迎宾 IP：珍珠球表情头像（Hero 右侧） ---- */
.hero-cols{display:flex;align-items:center;gap:32px}
.hero-left{flex:1;min-width:0}
.hero-right{flex:0 0 auto;display:flex;align-items:center;justify-content:center;padding:0 10px}
.ipwrap{position:relative;width:220px;height:220px}
.ip-glow{position:absolute;inset:-20%;border-radius:50%;background:radial-gradient(circle,rgba(172,158,242,.42) 0%,rgba(172,158,242,0) 68%);animation:ipBreath 4s infinite;pointer-events:none}
@keyframes ipBreath{0%{transform:scale(1);opacity:.75;animation-timing-function:cubic-bezier(.45,0,.4,1)}38%{transform:scale(1.06);opacity:1;animation-timing-function:linear}48%{transform:scale(1.06);opacity:1;animation-timing-function:cubic-bezier(.4,0,.45,1)}85%,100%{transform:scale(1);opacity:.75}}
.ip-orb{position:absolute;inset:0;border-radius:50%;overflow:hidden;background:radial-gradient(circle at 26% 48%,rgba(178,150,242,.50) 0%,rgba(178,150,242,0) 55%),radial-gradient(circle at 74% 40%,rgba(142,168,246,.42) 0%,rgba(142,168,246,0) 55%),radial-gradient(circle at 50% 98%,rgba(118,214,236,.55) 0%,rgba(118,214,236,0) 46%),radial-gradient(circle at 38% 30%,#FFFFFF 0%,#F5F3FC 40%,#E9E4F9 62%,#D8D2F2 82%,#C6BEEA 100%);box-shadow:0 10px 26px rgba(150,140,220,.28),inset 0 -10px 22px rgba(150,140,220,.18)}
.ip-sheen{position:absolute;inset:-30%;border-radius:50%;opacity:.32;background:conic-gradient(from 0deg,transparent 0deg,transparent 70deg,rgba(255,255,255,.95) 105deg,transparent 150deg,transparent 360deg);animation:ipSheen 26s linear infinite;pointer-events:none}
@keyframes ipSheen{to{transform:rotate(360deg)}}
.ip-spec{position:absolute;left:22%;top:14%;width:33%;height:19%;border-radius:50%;background:rgba(255,255,255,.9);filter:blur(6px);pointer-events:none}
.ipwrap.sleep .ip-sheen{animation-duration:60s;opacity:.14}
.ipwrap.sleep .ip-glow{animation-duration:6.5s;opacity:.5}
.ip-face{position:absolute;inset:0;overflow:visible}
@media (max-width:900px){
  .hero-cols{flex-direction:column;align-items:flex-start;gap:0}
  .hero-right{align-self:center;padding:44px 0 8px}
  .ipwrap{width:150px;height:150px}
}